10 Plant Experiments for Kids

Little ones looking to get their hands dirty will love this series of fun plant experiments for kids that teach essential plant biology concepts such as photosynthesis, transpiration, capillary action, and tropisms in fun and hands-on ways. Little green thumbs get to do everything from literally cloning cabbage (which is actually quite easy to do, and very cool) to building their own working greenhouses. Check it out!

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Click on a science project in the set below to see more info.

Regrow Cabbage: Vegetative Reproduction and Cloning Plants

What is vegetative reproduction? Find out how you can clone plants and regrow cabbage from a stem in this cool experiment!
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The Loss of Water from Plants through Transpiration

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.
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Sink or Swim: Calculating Density of Fruits and Vegetables

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.
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Greenhouse Project

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.
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Leaf Pigments

Science fair project that compares leaf pigments of various tree species. Which tree species do you think will have the most pigments and why?
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Feeding Plants

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.
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The set is continued below.

Dehydrating Carrots

Get a better understanding of water content by dehydrating carrots.
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Best Fertilizer: The Effects of Fertilizer on Plant Growth

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.
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Plant Phototropism Experiment

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!
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Backyard Biosphere

This science fair project idea explores what it takes to create a biosphere, or a self-sustaining ecosystem.
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